451442155013 has 2 divisors, whose sum is σ = 451442155014. Its totient is φ = 451442155012.

The previous prime is 451442154959. The next prime is 451442155019. The reversal of 451442155013 is 310551244154.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 428405593729 + 23036561284 = 654527^2 + 151778^2 .

It is a cyclic number.

It is not a de Polignac number, because 451442155013 - 2²² = 451437960709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451442155019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225721077506 + 225721077507.

It is an arithmetic number, because the mean of its divisors is an integer number (225721077507).

Almost surely, 2^451442155013 is an apocalyptic number.

It is an amenable number.

451442155013 is a deficient number, since it is larger than the sum of its proper divisors (1).

451442155013 is an equidigital number, since it uses as much as digits as its factorization.

451442155013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 451442155013 its reverse (310551244154), we get a palindrome (761993399167).

The spelling of 451442155013 in words is "four hundred fifty-one billion, four hundred forty-two million, one hundred fifty-five thousand, thirteen".